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253350221244 = 22321112518437
BaseRepresentation
bin1110101111110011011…
…0011001010110111100
3220012221102010201200120
43223330312121112330
513122330124034434
6312215410254540
724206153230431
oct3537466312674
9805842121616
10253350221244
119849966003a
1241126587450
131ab771a6223
14c395741b88
1568cbedc349
hex3afcd995bc

253350221244 has 12 divisors (see below), whose sum is σ = 591150516264. Its totient is φ = 84450073744.

The previous prime is 253350221219. The next prime is 253350221261. The reversal of 253350221244 is 442122053352.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10556259207 + ... + 10556259230.

It is an arithmetic number, because the mean of its divisors is an integer number (49262543022).

Almost surely, 2253350221244 is an apocalyptic number.

It is an amenable number.

253350221244 is an abundant number, since it is smaller than the sum of its proper divisors (337800295020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

253350221244 is a wasteful number, since it uses less digits than its factorization.

253350221244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21112518444 (or 21112518442 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 253350221244 its reverse (442122053352), we get a palindrome (695472274596).

The spelling of 253350221244 in words is "two hundred fifty-three billion, three hundred fifty million, two hundred twenty-one thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 12 21112518437 42225036874 63337555311 84450073748 126675110622 253350221244